1999 Ford Mustang engine and engine cooling problems
31 owner complaints filed with NHTSA name the engine and engine cooling on the 1999 Ford Mustang — 15% of all complaints for this model year.
What owners report
“Tl*the contact owns a 1999 ford mustang. The contact stated the vehicle had a cracked manifold and it was leaking antifreeze. The vehicle was taken to a mechanic who stated that the manifold needed to be replaced. The dealer was contacted and offered no assistance. The manufacturer informed him…”
filed Apr 19, 2011
“On january 3, 2005, the heater core on my 1999 mustang had to be completely replaced, including the thermostat. The windows had fogged up before and the car smelled like syrup but I thought it was just vents. The heating core had to be replaced and the coolant had to be recharged and replaced also…”
filed Sep 16, 2006
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Ford: certain 1999-2001 model year vehicles up to 6000 lb gvwr registered in new york and certain 2001 vehicles up to 6000 lb gvwr registered in the state of maine, certified for sale in california-federal emission…
CSP-08B01 · Service Bulletin/Repair Instructions · issued May 16, 2008Some 1997-2008 vehicles equipped with a 4.6l 2v, 5.4l 2v, or 6.8l 2v engine--spark plug thread repair procedure--not covered under new vehicle limited warranty. *nj this includes f-53 motorhome chassis. Updated 2/23/10…
07212 · Service Bulletin/Repair Instructions · issued Oct 1, 2007Extended coverage program 05n04 - extended coverage for composite intake manifold. This program is being provided as a settlement to a class action lawsuit. The terms of the settlement extend the coverage of the…
05N04 · Service Bulletin/Repair Instructions · issued Dec 14, 2005Wds cop kit diagnostic tip - coil on plug (cop) ignition systems - engine misfire or rough running. *tt
041601 · Service Bulletin/Repair Instructions · issued Nov 14, 2005Exhaust leak - cracked or separated right side exhaust pipe - 3.8l and 3.9l engines. *tt
041003 · Service Bulletin/Repair Instructions · issued Nov 1, 2004
Engine and Engine Cooling problems in other Mustang years
| Year | Reports | Share |
|---|---|---|
| 2022 Mustang | 1 | 2% |
| 2021 Mustang | 2 | 4% |
| 2020 Mustang | 3 | 3% |
| 2019 Mustang | 11 | 8% |
| 2018 Mustang | 8 | 4% |
| 2017 Mustang | 8 | 3% |
| 2016 Mustang | 7 | 2% |
| 2014 Mustang | 1 | 0% |
| 2013 Mustang | 1 | 0% |
| 2012 Mustang | 3 | 1% |
| 2011 Mustang | 7 | 2% |
| 2010 Mustang | 4 | 2% |
Other reported problem areas on the 1999 Ford Mustang
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.